MiraDRAIN GR9400 is said to simplify vegetative roof system
installation and offer high compression strength to withstand
overburden from the stress of a roof garden's components. It is
designed specifically for use in horizontal vegetative roof system
or large planter applications and can be used with Carlisle
Coatings and Waterproofing's CCW-500R, CCW MiraDRAIN 9000/9800 and
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